發(fā)布時間：2018-03-04 09:04

  本文選題：東串豬　切入點：雜交利用　出處：《江蘇農(nóng)業(yè)科學》2017年09期 　論文類型：期刊論文

【摘要】：東串豬作為我國優(yōu)良地方豬品種,測定其純種及其與杜洛克雜交豬的生長性能、屠宰性能及血清生化指標,對于下一步的保種和開發(fā)利用具有十分重要的意義。本試驗分別選取體質量約50 kg、體況相近的健康東串豬和杜洛克×東串豬(杜東豬)各32頭(公母各半),換料期3 d,飼養(yǎng)期80 d,按照豬場管理要求正常飼養(yǎng),并測定生長性能、屠宰性能及血清生化指標。結果顯示,杜東豬較東串豬的平均日增質量高出89.52 g,平均日采食量高出569.31 g;杜東豬的屠宰率、后腿比例和瘦肉率分別較東串豬高出9.15、2.36、3.80百分點;東串豬的谷草轉氨酶、總蛋白、球蛋白和乳酸脫氫酶含量顯著性高于杜東豬(P0.05)。試驗結果表明,東串豬與杜洛克的雜交后代生產(chǎn)性能有很大的改善,但對肉質和環(huán)境適應性會有一定程度的影響。杜東豬的生長性能、屠宰性能和肉品質在中國地方豬種二元雜交豬中處于中等水平,今后還需要進一步加強東串豬的純種選育以及雜交配套工作。
[Abstract]:As an excellent local pig breed in China, Dongxian pig was used to determine the growth performance, slaughtering performance and serum biochemical index of its pure breed and its crossbred pig with Duroc. It is very important for the next step to conserve the species and develop and utilize the pig. In this experiment, we selected about 50 kg of healthy Dongchuan pig with similar body condition and 32 Duroc 脳 Dongxian pig (Dudong pig) each (male and female, half and half), and restocked with each other. Period 3 days, feeding period 80 days, in accordance with the requirements of pig farm management, The results showed that the average daily gain of Dudong pigs was 89.52 g higher than that of Dongquan pigs, and the average daily intake of Dodong pigs was 569.31 g higher than that of Dodong pigs, and the slaughtering rate of Dudong pigs was higher than that of Dodong pigs. The hind leg ratio and lean meat percentage were 9.15 ~ 2.36 ~ 3.80 percentage points higher than those of Dodong pig, respectively, and the contents of glutamic oxaloacetic transaminase, total protein, globulin and lactate dehydrogenase in Dongquan pig were significantly higher than those in Dodong pig (P 0.05). The production performance of the crossbred progenies of Dongxian pig and Duroc has been greatly improved, but the meat quality and environmental adaptability will be affected to a certain extent. Slaughtering performance and meat quality are in the middle level among Chinese local crossbred pigs. In the future, it is necessary to further strengthen the breeding of Dongjian pigs and the work of crossbreeding.
【作者單位】： 揚州大學江蘇省動物遺傳繁育與分子設計重點實驗室;南通華多種豬繁育有限公司;
【基金】：江蘇省科技支撐計劃重點項目(編號:BE2014357) 江蘇省農(nóng)業(yè)三新工程項目(編號:SXGC[2015]326)
【分類號】：S828

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本文編號：1564989